TY  - BOOK
AU  - Ryland,JS 
AU  -  Hayward,PJ
TI  - British Anascan Bryozoans 
T2  - Synopses of the British Fauna   No.10  Kermack,Doris Med
U1  - 594.7 
PY  - 1977///
CY  - London
PB  - Linnean Socirty of London
ER  -